The Mitsubishi Ki-57 was a Japanese twin-engine passenger transport developed from the Ki-21 bomber in the early 1940s. The Ki-21 had caught the attention of Imperial Japanese Airways, so Mitsubishi moved the wing from mid to low position, added a new fuselage for up to eleven passengers and kept the Ki-21-I engines. After a prototype flew in August 1940 it was ordered for both civil and military use, as the MC-20 and the Army Type 100 Transport, and some went to the Navy as the L4M1. The later Ki-57-II had two Mitsubishi Ha-102 radial engines, and 306 of that type were produced before production ended in January 1945. The last Ki-57 served as a trainer until 1952.
Facts
Engine Class Top Speed (km/h) Maximum Mass (kg) Comparison
Body StyleAircraft (no road body style) 1 Connections
Exemplifies
Source Mitsubishi Ki-57 (Wikipedia)
Of Make
Source Mitsubishi Ki-57 (Wikipedia)
Sources
1. Mitsubishi Ki-57 (Wikipedia)
Lead
was a Japanese passenger transport aircraft, developed from the Ki-21 bomber, during the early 1940s
Development, prototype flight
following the flight of a prototype in August 1940
Variants, Ki-57-II
306 aircraft of this type were produced before the end of production in January 1945.
Specifications, maximum speed
Maximum speed: 470 km/h (290 mph, 250 kn) at 5,800 m (19,000 ft)
Specifications, empty weight
Empty weight: 5,585 kg (12,313 lb)
Specifications, max takeoff weight
Max takeoff weight: 9,120 kg (20,106 lb)
Specifications, powerplant
805 kW (1,080 hp) each for take-off
Specifications, powerplant, engine class
2 × Mitsubishi Ha-102 Zuisei 14-cylinder air-cooled radial engine
Development
In 1938, when the Ki-21 heavy bomber began to enter service with the Imperial Japanese Army
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